[Bug 98571] [i915] might_sleep() called from wrong context with GuC submission enabled

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=98571

Chris Wilson <chris at chris-wilson.co.uk> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|---                         |FIXED
             Status|NEW                         |RESOLVED

--- Comment #2 from Chris Wilson <chris at chris-wilson.co.uk> ---
commit 72aa0d899a3ea7e14436ac0b869cf3333277b92e
Author: Chris Wilson <chris at chris-wilson.co.uk>
Date:   Wed Nov 2 17:50:47 2016 +0000

    drm/i915/guc: Cache the client mapping

    Use i915_gem_object_pin_map() for the guc client's lifetime to replace
    the peristent kmap + frequent kmap_atomic with a permanent vmapping.
    This avoids taking the obj->mm.lock mutex whilst inside irq context
    later.

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